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スクリプトによってSSH経由でXプロセスを自動的に転送する

私は自宅のサーバーからいくつかの基本的な統計（プロセッサ/メモリの使用状況、hddの使用状況など）を監視するためにconkyを設定しようとしています。

今日多くのことをいじった後、私は経由でログインしてプロセスを機能させることができました

screen ssh -X

そして、実行中

conky -c /path/to/config

Conkyプロセスはラップトップで起動し、sshセッションを閉じても持続します。

しかし、これをラップトップのスクリプトから開始して、ブート時に自動実行できるようにしようとしています。

パスワードなしでキーを介してログインするユーザーを設定して、すべての機能を取得しようとします（最終的には、ログインしてプロセスが開始されたときにパスワードを要求するようにしようとしています）が、動作させることができません。

私が使用しているスクリプトは

#/bin/bash
screen ssh -X myconkyuser@myserverip "conky -c /path/to/config"

しかし、conkyの表示は拒否します。

手動入力でも

screen ssh -X myconkyuser@myserverip "conky -c /path/to/config"

端末からはそれを行いません。

私が行った場合

screen ssh -X -vv myconkyuser@myserverip "conky -c /path/to/config"

Ssh接続が行われ、conkyが起動していることがわかりますが、ラップトップのxサーバーに正しく渡されていません。

また、conky -c /path/to/configを独自のスクリプトとしてサーバーに配置し、使用してみました

screen ssh -X myconkyuser@myserverip "sh /path/to/conkystartupscript"

しかし、結果は同じです。

-vvからの出力をアタッチして、光を落とすことができるかどうかを確認します。問題は、conkyプロセスが実際にディスプレイに出力される前にセッションが終了する可能性があると推測していますが、追加しようとしましたconky行の下のpause 10は利用できません。

誰でも助けることができますか？

will@will-Inspiron-7520 ~ 19:46:44 $ ssh -X -vv myconkyuser@myserverip "conky -c /path/to/myconky/config "
OpenSSH_7.2p2 Ubuntu-4ubuntu2.1, OpenSSL 1.0.2g  1 Mar 2016
debug1: Reading configuration data /my/ssh/folder/config
debug1: /my/ssh/folder/config line 1: Applying options for myserverip
debug1: /my/ssh/folder/config line 8: Applying options for myserverip
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 19: Applying options for *
debug2: resolving "myserverip" port 22
debug2: ssh_connect_direct: needpriv 0
debug1: Connecting to myserverip [myserverip] port 22.
debug1: Connection established.
debug1: identity file /my/ssh/folder/id_ed25519 type 4
debug1: key_load_public: No such file or directory
debug1: identity file /my/ssh/folder/id_ed25519-cert type -1
debug1: identity file /my/ssh/folder/myconkyuserid_rsa type 1
debug1: key_load_public: No such file or directory
debug1: identity file /my/ssh/folder/myconkyuserid_rsa-cert type -1
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_7.2p2 Ubuntu-4ubuntu2.1
debug1: Remote protocol version 2.0, remote software version OpenSSH_7.2p2 Ubuntu-4ubuntu2.1
debug1: match: OpenSSH_7.2p2 Ubuntu-4ubuntu2.1 pat OpenSSH* compat 0x04000000
debug2: fd 3 setting O_NONBLOCK
debug1: Authenticating to myserverip:22 as 'myconkyuser'
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug2: local client KEXINIT proposal
debug2: KEX algorithms: [email protected],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,ext-info-c
debug2: Host key algorithms: [email protected],ssh-ed25519,[email protected],[email protected],[email protected],[email protected],ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,rsa-sha2-512,rsa-sha2-256,ssh-rsa
debug2: ciphers ctos: [email protected],aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected],aes128-cbc,aes192-cbc,aes256-cbc,3des-cbc
debug2: ciphers stoc: [email protected],aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected],aes128-cbc,aes192-cbc,aes256-cbc,3des-cbc
debug2: MACs ctos: [email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc: [email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none,[email protected],zlib
debug2: compression stoc: none,[email protected],zlib
debug2: languages ctos: 
debug2: languages stoc: 
debug2: first_kex_follows 0 
debug2: reserved 0 
debug2: peer server KEXINIT proposal
debug2: KEX algorithms: [email protected],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha1
debug2: Host key algorithms: ssh-rsa,rsa-sha2-512,rsa-sha2-256,ecdsa-sha2-nistp256,ssh-ed25519
debug2: ciphers ctos: [email protected],aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected]
debug2: ciphers stoc: [email protected],aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected]
debug2: MACs ctos: [email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc: [email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none,[email protected]
debug2: compression stoc: none,[email protected]
debug2: languages ctos: 
debug2: languages stoc: 
debug2: first_kex_follows 0 
debug2: reserved 0 
debug1: kex: algorithm: [email protected]
debug1: kex: Host key algorithm: ssh-ed25519
debug1: kex: server->client cipher: [email protected] MAC: <implicit> compression: none
debug1: kex: client->server cipher: [email protected] MAC: <implicit> compression: none
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug1: Server Host key: ssh-ed25519 SHA256:yXsLEfcX1vuLtfzDI/flPwX4OYATC0Usa9EKmZFojWE
debug1: Host 'myserverip' is known and matches the ED25519 Host key.
debug1: Found key in /my/ssh/folder/known_hosts:5
debug2: set_newkeys: mode 1
debug1: rekey after 134217728 blocks
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug2: set_newkeys: mode 0
debug1: rekey after 134217728 blocks
debug1: SSH2_MSG_NEWKEYS received
debug2: key: /my/ssh/folder/myconkyuserid_rsa (0x5560479c2e00), explicit, agent
debug2: key: will@will-Inspiron-7520 (0x5560479c2ea0), agent
debug2: key: /my/ssh/folder/id_ed25519 (0x5560479b5060), explicit
debug1: SSH2_MSG_EXT_INFO received
debug1: kex_input_ext_info: server-sig-algs=<rsa-sha2-256,rsa-sha2-512>
debug2: service_accept: ssh-userauth
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue: publickey
debug1: Next authentication method: publickey
debug1: Offering RSA public key: /my/ssh/folder/myconkyuserid_rsa
debug2: we sent a publickey packet, wait for reply
debug1: Server accepts key: pkalg rsa-sha2-512 blen 279
debug2: input_userauth_pk_ok: fp SHA256:PanRCck33pj+N8mNWoTLkaoaVudzUQlv5CTaF12SJ0Y
debug1: Authentication succeeded (publickey).
Authenticated to myserverip ([myserverip]:22).
debug1: channel 0: new [client-session]
debug2: channel 0: send open
debug1: Requesting [email protected]
debug1: Entering interactive session.
debug1: pledge: exec
debug1: client_input_global_request: rtype [email protected] want_reply 0
debug2: callback start
debug2: x11_get_proto: /usr/bin/xauth  list :0 2>/dev/null
debug1: Requesting X11 forwarding with authentication spoofing.
debug2: channel 0: request x11-req confirm 1
debug2: fd 3 setting TCP_NODELAY
debug2: client_session2_setup: id 0
debug1: Sending environment.
debug1: Sending env LC_PAPER = 
debug2: channel 0: request env confirm 0
debug1: Sending env LC_ADDRESS = 
debug2: channel 0: request env confirm 0
debug1: Sending env LC_MONETARY = 
debug2: channel 0: request env confirm 0
debug1: Sending env LC_NUMERIC = 
debug2: channel 0: request env confirm 0
debug1: Sending env LC_TELEPHONE = 
debug2: channel 0: request env confirm 0
debug1: Sending env LC_IDENTIFICATION = 
debug2: channel 0: request env confirm 0
debug1: Sending env LANG = en_GB.UTF-8
debug2: channel 0: request env confirm 0
debug1: Sending env LC_MEASUREMENT = 
debug2: channel 0: request env confirm 0
debug1: Sending env LC_TIME = en_GB.UTF-8
debug2: channel 0: request env confirm 0
debug1: Sending env LC_NAME = 
debug2: channel 0: request env confirm 0
debug1: Sending command: conky -c /path/to/myconky/config 
debug2: channel 0: request exec confirm 1
debug2: callback done
debug2: channel 0: open confirm rwindow 0 rmax 32768
debug2: channel_input_status_confirm: type 99 id 0
debug2: X11 forwarding request accepted on channel 0
debug2: channel 0: rcvd adjust 2097152
debug2: channel_input_status_confirm: type 99 id 0
debug2: exec request accepted on channel 0
debug2: channel 0: rcvd ext data 7
conky: debug2: channel 0: written 7 to efd 7
debug2: channel 0: rcvd ext data 108
debug2: channel 0: rcvd ext data 62
Syntax error (/path/to/myconky/config:2: unexpected symbol near '#') while reading config file. 
conky: Assuming it's in old syntax and attempting conversion.
debug2: channel 0: written 170 to efd 7
debug1: client_input_channel_open: ctype x11 rchan 3 win 65536 max 16384
debug1: client_request_x11: request from 127.0.0.1 36372
debug2: fd 8 setting O_NONBLOCK
debug1: channel 1: new [x11]
debug1: confirm x11
debug2: channel 0: rcvd ext data 65
conky: desktop window (1a00022) is subwindow of root window (d5)
debug2: channel 0: written 65 to efd 7
debug2: channel 0: rcvd ext data 28
conky: window type - normal
debug2: channel 0: written 28 to efd 7
debug2: channel 0: rcvd ext data 45
conky: drawing to created window (0x5200001)
debug2: channel 0: written 45 to efd 7
debug2: channel 0: rcvd ext data 32
conky: drawing to double buffer
debug2: channel 0: written 32 to efd 7
debug2: channel 0: rcvd ext data 42
conky: forked to background, pid is 14055
debug2: channel 0: written 42 to efd 7
debug1: client_input_channel_req: channel 0 rtype exit-status reply 0
debug1: client_input_channel_req: channel 0 rtype [email protected] reply 0
debug2: channel 0: rcvd eow
debug2: channel 0: close_read
debug2: channel 0: input open -> closed
debug2: channel 1: rcvd eof
debug2: channel 1: output open -> drain
debug2: channel 1: obuf empty
debug2: channel 1: close_write
debug2: channel 1: output drain -> closed
debug1: channel 1: FORCE input drain
debug2: channel 1: ibuf empty
debug2: channel 1: send eof
debug2: channel 1: input drain -> closed
debug2: channel 0: rcvd eof
debug2: channel 0: output open -> drain
debug2: channel 0: obuf empty
debug2: channel 0: close_write
debug2: channel 0: output drain -> closed
debug2: channel 0: rcvd close
debug2: channel 0: almost dead
debug2: channel 0: gc: notify user
debug2: channel 0: gc: user detached
debug2: channel 0: send close
debug2: channel 0: is dead
debug2: channel 0: garbage collecting
debug1: channel 0: free: client-session, nchannels 2
debug2: channel 1: send close
debug2: channel 1: rcvd close
debug2: channel 1: is dead
debug2: channel 1: garbage collecting
debug1: channel 1: free: x11, nchannels 1
Transferred: sent 16740, received 12920 bytes, in 3.8 seconds
Bytes per second: sent 4378.2, received 3379.1
debug1: Exit status 0

Conkyファイルにはいくつかの構文エラーがあります（非常に古いものですが、必要な処理を実行します）が、サーバーにssh -Xしてから起動するように問題を引き起こしているとは思わないconkyはすべて必要に応じて機能します。

（注意：上記のコード出力は、screenを使用すると端末がクリアされるため、screenを使用せずに出力されます。ただし、基本的に同じプロセスを実行しているようです）

16.04scriptssshxorgconky
2
Will

わかりましたので、私はこれを解決したようです。 xプロセスが転送される前に接続がシャットダウンする問題があったようです。また、端末の外部から実行されたスクリプトでは「screen」コマンドが機能しないこともわかりました。

私の新しいスクリプトは

#!/bin/bash
sleep 25 && (to ensure my desktop gets a chance to boot before running)
conky -c ~/.conky/.conkynewrc && (my local conky session)
ssh -X willconky@myserverip "conky -c /home/willconky/.conky/.conkynewrc && sleep 10" & (my remote conky session)

これはすべて正常に動作しているようです。

2
Will